Bag



FIG. 1 is a front perspective view of a bag showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines depicting the rectangular region, three stripes on the bag, and interior of the bag form no part of the claimed design. 

CLAIM The ornamental design for a bag, as shown and described. 